– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Wed 15 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Wed 15 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 15 Jul Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 3mm), mostly falling on Thu night. Warm (max 27°C on Wed afternoon, min 13°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 29°C on Mon afternoon, min 14°C on Sat night). Wind will be generally light. | |||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | |  | | | | | | | | | | |
clear | clear | some clouds | light rain | rain shwrs | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 0.3 | 1 | 1.5 | 0.1 | — | — | — | — | — | — | — | — | — | — | — |
max °C | 24 | 27 | 23 | 23 | 24 | 17 | 16 | 22 | 18 | 18 | 21 | 19 | 20 | 24 | 21 | 25 | 29 | 25 |
min °C | 20 | 26 | 20 | 21 | 20 | 14 | 14 | 21 | 13 | 15 | 21 | 14 | 17 | 23 | 18 | 21 | 28 | 20 |
chill °C | 20 | 26 | 20 | 21 | 20 | 14 | 14 | 21 | 13 | 15 | 21 | 14 | 17 | 23 | 18 | 21 | 28 | 20 |
Freezing level m | 4050 | 4200 | 4150 | 4050 | 4300 | 4100 | 3900 | 3750 | 3700 | 3600 | 3600 | 3900 | 3900 | 4100 | 4250 | 4250 | 4450 | 4400 |
Cloud base (m) | 4950 | 4800 | 6400 | 600 | 650 | 1800 | 8250 | |||||||||||
 | 5:20 | — | — | 5:20 | — | — | 5:22 | — | — | 5:24 | — | — | 5:24 | — | — | 5:26 | — | — |
 | — | — | 9:06 | — | — | 9:05 | — | — | 9:04 | — | — | 9:02 | — | — | 9:01 | — | — | 9:00 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 3mm), mostly falling on Thu night. Warm (max 27°C on Wed afternoon, min 13°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Warm (max 29°C on Mon afternoon, min 14°C on Sat night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
SHIP3358 | |||||
 | |||||
Bellingham Airport | | ||||
SHIP2788 | |||||
SHIP3840 | |||||
SHIP5564 | |||||
| |||||
Bellingham Airport | |
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.